The present invention is directed to quinazolinone compounds of the formula I:
wherein R1, R2, R3, X1, X2 X3 are defined herein. These compounds are antagonists of T-type calcium channels, and are useful in the treatment or prevention of disorders and diseases in which T-type calcium channels are involved. The invention is also directed to pharmaceutical compositions comprising these compounds and the use of these compounds and compositions in the prevention or treatment of such diseases in which T-type calcium channels are involved.
本发明涉及式I的
喹唑啉酮化合物:其中R1、R2、R3、X1、X2、X3如本文所定义。这些化合物是T型
钙通道的拮抗剂,可用于治疗或预防涉及T型
钙通道的疾病和疾病。本发明还涉及包含这些化合物的制药组合物以及在预防或治疗涉及T型
钙通道的疾病中使用这些化合物和组合物的用途。